Python - Calculate the Forward Drive Efficiency of a Power Screw

print ("This program will calculate the Forward Drive Efficiency for a Power Screw.")

import math

###  Formula for calculating the Foward Drive Efficiency for Power Screws:
#  FowardDriveEfficiency = (tan(LeadAngle)) *  ((cos(ThreadAngleNormalPlane) - (CoefficientOfFriction*tan(LeadAngle) /
#   (((cos(ThreadAngleNormalPlane)) * (tan(LeadAngle))) + CoefficientOfFriction))
###############################################################################

# Enter the LeadAngle, ThreadAngleNormalPlane, CoefficientOfFriction


ContinueCalculations = "y"

def CalculateFowardDriveEfficiencyPowerScrew():
    print ("Calculating the Foward Drive Efficiency for a Power Screw.")
    # Enter the LeadAngle
    LeadAngle = float(input("Enter the lead angle: ") )
    # Enter the ThreadAngleNormalPlane
    ThreadAngleNormalPlane = float(input("Enter the Thread Angle in Normal Plane: ") )
    # Enter the CoefficientOfFriction
    CoefficientOfFriction = float(input("Enter the Coefficient Of Friction: ") )

    # Convert degrees to radians
    # Python trig functions take radians
    # Use math.radians() function to convert degrees to radians
    LeadAngleInDegrees = math.radians(LeadAngle)
    ThreadAngleInDegrees = math.radians(ThreadAngleNormalPlane)

    print("The cosine of the ThreadAngleNormalPlane is: ", math.cos(ThreadAngleInDegrees) )
    print("The tangent of the LeadAngle is: ", math.tan(LeadAngleInDegrees) )    
    print("=========")

    # Calculate the top of the fraction
    TopOfFraction = ( (math.cos(ThreadAngleInDegrees)) - (CoefficientOfFriction*(math.tan(LeadAngleInDegrees))) )
    print ("Top of Fraction is: ", TopOfFraction)
    
    # Calculate the bottom of the fraction
    BottomOfFraction = ((math.cos(ThreadAngleInDegrees) * math.tan(LeadAngleInDegrees)) + CoefficientOfFriction)

    # Calculate the fraction
    FullFraction = TopOfFraction/BottomOfFraction

    # Calculate the tangent and multiply by fraction
    ForwardDriveEfficiency = (math.tan(LeadAngleInDegrees)) * FullFraction

    print("The Forward Drive Efficiency is: ", ForwardDriveEfficiency)

while (ContinueCalculations=="y"):
    CalculateFowardDriveEfficiencyPowerScrew()
    ContinueCalculations = str(input("Would you like to continue to calculate the Coefficient Of Friction? (y/n): "))

print("==================================")
print ("Thank you to Screw University on www.roton.com for assistance with this formula.")